ADR125BUJZ-REEL7 Integrated Circuits (ICs)

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Power Management Integrated Circuits (PMICs) are designed to provide a large number of functions in small amounts of space. Voltage Reference devices, one type of PMIC, are used to provide an AC or DC reference point of stable, exact voltage. Voltage Reference devices usually carry a impedance and voltage combination that is unlike any other device. ADR125BUJZ-REEL7 is one such Voltage Reference, packaged within a maximum operating temperature of 125°C, and designed to provide a stable, single-ended reference voltage of 2.5 volts with very low noise and high stability.

The ADR125BUJZ-REEL7 is specifically optimized for use in high-end, low power applications. This includes precision performance in the most severe environments, with the device providing a high-precision, low-noise reference voltage with a maximum min/max temperature drifts of 20ppm/°C. It also provides a low output impedance, as well as fast and reliable startup of the reference voltage. Additionally, it offers temperature-independent aging as well as low-noise, low-temperature drift, making it ideal for use in many high-precision applications.

Particularly, the ADR125BUJZ-REEL7 is designed to be the voltage reference of choice for both SMPS and LED backlighting systems. Its uses would extend beyond those systems and into other applications requiring high-voltage reference accuracy and stability, like precision data converters, active filters, and motor controls. Additionally, it could also find use in industrial controls, medical equipment, and telecom base stations.

The application field and working principle of the ADR125BUJZ-REEL7 is determined by the design of its active circuit. The device contains an NPN Darlington to form an amplifying core, with a precision bandgap voltage reference of 4.75 V between base and emitter. The constant current source at the output is created by the Darlington layered circuit, the output voltage is 2.5 V and the output regulation of the device is very small. Lastly, it is a stable voltage reference with temperature independency and low noise, providing a current-limiting mechanism for other components.

The ADR125BUJZ-REEL7 is a device that truly shows its power and quality when used in precision high-end applications. It provides a high-precision voltage reference with low noise, low temperature drift, and temperature independent aging. Its design makes it ideal for use in SMPS, LED backlighting systems, motor control systems, industrial controls, medical equipment, and telecom base stations. Most importantly, its innovative NPN Darlington amplifying core, constant current source, and bandgap voltage reference enable the device to deliver highly accurate and reliable reference voltages.

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